In each tablet: calcium carbonate usp (1000 mg), magnesium hydroxide (200 mg). Purpose: antacid, antacid. Inactive ingredients: dextrose, fd&c blue 1, fd&c red 40, fd&c yellow 5, fd&c yellow 6, flavors, magnesium stearate, maltodextrin, silicon dioxide, stearic acid, sucralose, sucrose, other ingredients: sucrose, dextrose, stearic acid, maltodextrin, magnesium stearate, silicon dioxide, natural and artificial flavors, fd&c red 40, fd&c yellow 6, fd&c yellow 5, fd&c blue 1, sucralose.
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.